Want to explore more about your property?

What Are You Allowed to Build at 55 Littleton Rd Unit 17e, Ayer, MA, 01432?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit.

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit.

Swimming Pool

Probably Allowed
This property likely meets the zoning requirements to build a swimming pool. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.

Single Family

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 708,636 sq ft of zoning-counted floor area allowed By Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 668,637 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 55 Littleton Rd Unit 17e, Ayer, MA, 01432

Zoning Jurisdiction

AYER

Parcel ID

019036000090017E

Property Type

Residential

Zone

GB

Year Built

1993

Lot Size

566,908 sq ft

Gross Building Area

78,914 sq ft

Gross Floor Area

39,999 sq ft

Estimated

Living Area

1,084 sq ft

Basement Area

0 sq ft

Impervious Surface

78,914 sq ft

Estimated
13.9%of lot coverage

ADU rules for Ayer, MA

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.

What Are You Allowed to Build at 55 Littleton Rd Unit 17e, Ayer, MA, 01432?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit.

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit.

Swimming Pool

Probably Allowed
This property likely meets the zoning requirements to build a swimming pool. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.

Single Family

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 708,636 sq ft of zoning-counted floor area allowed By Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 668,637 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 55 Littleton Rd Unit 17e, Ayer, MA, 01432

Zoning Jurisdiction

AYER

Parcel ID

019036000090017E

Property Type

Residential

Zone

GB

Year Built

1993

Lot Size

566,908 sq ft

Gross Building Area

78,914 sq ft

Gross Floor Area

39,999 sq ft

Estimated

Living Area

1,084 sq ft

Basement Area

0 sq ft

Impervious Surface

78,914 sq ft

Estimated
13.9%of lot coverage

ADU rules for Ayer, MA

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.